12505036 has 12 divisors (see below), whose sum is σ = 21908880. Its totient is φ = 6245360.

The previous prime is 12504977. The next prime is 12505037. The reversal of 12505036 is 63050521.

It is a happy number.

It is a super-2 number, since 2×12505036² = 312751850722592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12504998 and 12505016.

It is not an unprimeable number, because it can be changed into a prime (12505037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010 + ... + 7078.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^12505036 is an apocalyptic number.

It is an amenable number.

12505036 is a deficient number, since it is larger than the sum of its proper divisors (9403844).

12505036 is a wasteful number, since it uses less digits than its factorization.

12505036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 12505036 is about 3536.2460321646. The cubic root of 12505036 is about 232.1106042179.

Adding to 12505036 its reverse (63050521), we get a palindrome (75555557).

The spelling of 12505036 in words is "twelve million, five hundred five thousand, thirty-six".